#Introduce .content .flex{
    justify-content: space-between;
    margin-bottom: 159px;
    position: relative;
}
#Introduce .content .flex div{
    width: 277px;
    height: 222px;
    border: 1px solid #000;
    text-align: center;
    padding: 56px 40px 0;
    box-sizing: border-box;
    position: relative;
}
#Introduce .content .flex img{
    position: absolute;
    top: -75px;
    left: 307px;
}
#Introduce .content .flex .intro-img{
    position: absolute;
    left: calc(50% - 47px);
    top: -39px;
}